It has been my experience that most Java developers nowadays use an IDE (or IDEs) for their daily work. Knowing the capabilities of these IDEs may make you more productive. However, most developers also has a tendency to learn just enough of their IDEs to "get the job done" and then stop at that point.
Pair programming is a wonderful avenue for transmitting IDE know-hows between programmers on a team. "Just hit Ctrl-F12," Brian told me in a recent pair programming session. I liked what I saw and have been hitting Ctrl-F12 all the time ever since.
Q: What does Ctrl-F12 do?
Strict rules apply: no Bing-ing; and you have to write down your final answer before hitting Ctrl-F12. The question is biased towards JetBrain's IntelliJ IDEA. I don't know what Ctrl-F12 does in other IDEs.
Bonus Q: How can your IDEs help you when you receive a stack trace in an email form your testers or customers?
"I didn't know you can do that!" was the reaction from Mike the last time I used the feature in a pairing session.
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